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runtime: deadlock in cmd/dist on darwin-amd64 #13664

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broady opened this issue Dec 17, 2015 · 6 comments
Closed

runtime: deadlock in cmd/dist on darwin-amd64 #13664

broady opened this issue Dec 17, 2015 · 6 comments
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@broady
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broady commented Dec 17, 2015

This error occurred while building the go1.6 beta release:
$ release -user release -version go1.6beta1 -rev d0f472e99ad31ef3aa842800eff9861dab4778de -tools master -skip_tests

fatal error: all goroutines are asleep - deadlock!

goroutine 1 [chan receive (nil chan)]:
main.install(0x7fff5fbff5ef, 0x7)
    /usr/local/go/src/cmd/dist/build.go:504 +0x205
main.cmdinstall()
    /usr/local/go/src/cmd/dist/build.go:1144 +0xe5
main.xmain()
    /usr/local/go/src/cmd/dist/main.go:42 +0x1e9
main.main()
    /usr/local/go/src/cmd/dist/util.go:502 +0x58a

goroutine 20 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 21 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 22 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 23 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

cc @aclements @bradfitz
@broady
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broady commented Dec 17, 2015 

windows-amd64: Error: go tool dist install runtime: exit status 1
fatal error: all goroutines are asleep - deadlock!

goroutine 1 [chan receive (nil chan)]:
main.install(0xc0820022b0, 0x7)
    c:/go/src/cmd/dist/build.go:504 +0x206
main.cmdinstall()
    c:/go/src/cmd/dist/build.go:1144 +0xec
main.xmain()
    c:/go/src/cmd/dist/main.go:42 +0x1f0
main.main()
    c:/go/src/cmd/dist/util.go:502 +0x596

goroutine 5 [select]:
main.bghelper()
    c:/go/src/cmd/dist/util.go:152 +0x159
created by main.bginit
    c:/go/src/cmd/dist/util.go:145 +0x61

goroutine 6 [select]:
main.bghelper()
    c:/go/src/cmd/dist/util.go:152 +0x159
created by main.bginit
    c:/go/src/cmd/dist/util.go:145 +0x61

goroutine 7 [select]:
main.bghelper()
    c:/go/src/cmd/dist/util.go:152 +0x159
created by main.bginit
    c:/go/src/cmd/dist/util.go:145 +0x61

goroutine 8 [select]:
main.bghelper()
    c:/go/src/cmd/dist/util.go:152 +0x159
created by main.bginit
    c:/go/src/cmd/dist/util.go:145 +0x61

linux-amd64: Error: go tool dist install runtime: exit status 1
fatal error: all goroutines are asleep - deadlock!

goroutine 1 [chan receive (nil chan)]:
main.install(0x7fff663b9d59, 0x7)
    /usr/local/go/src/cmd/dist/build.go:504 +0x205
main.cmdinstall()
    /usr/local/go/src/cmd/dist/build.go:1144 +0xe5
main.xmain()
    /usr/local/go/src/cmd/dist/main.go:42 +0x1e9
main.main()
    /usr/local/go/src/cmd/dist/util.go:502 +0x58a

goroutine 6 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 7 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 8 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 9 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

reebsd-amd64: Error: go tool dist install runtime: exit status 1
fatal error: all goroutines are asleep - deadlock!

goroutine 1 [chan receive (nil chan)]:
main.install(0x7fffffffed44, 0x7)
    /usr/local/go/src/cmd/dist/build.go:504 +0x205
main.cmdinstall()
    /usr/local/go/src/cmd/dist/build.go:1144 +0xe5
main.xmain()
    /usr/local/go/src/cmd/dist/main.go:42 +0x1e9
main.main()
    /usr/local/go/src/cmd/dist/util.go:502 +0x58a

goroutine 6 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 7 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 8 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

goroutine 9 [select]:
main.bghelper()
    /usr/local/go/src/cmd/dist/util.go:152 +0x152
created by main.bginit
    /usr/local/go/src/cmd/dist/util.go:145 +0x5a

@broady
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broady commented Dec 17, 2015

cc @rsc

@broady
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broady commented Dec 17, 2015

@michaelmatloob @ianlancetaylor

@bradfitz
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I suspect this is something about an old dist building a new runtime with dependencies (@michaelmatloob's stuff). Oddly some of the release builds succeeded, making me think it's a builder configuration/environment problem. Yet the main builders using the same configs succeed.

@broady
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broady commented Dec 17, 2015

It happens when building the race detector:

2015/12/17 14:50:30 linux-amd64: Start.
2015/12/17 14:50:30 linux-amd64: Creating buildlet.
2015/12/17 14:51:17 linux-amd64: Pushing source to VM.
2015/12/17 14:52:03 linux-amd64: Writing VERSION file.
2015/12/17 14:52:04 linux-amd64: Cleaning goroot (pre-build).
2015/12/17 14:52:04 linux-amd64: Building.
2015/12/17 14:53:20 linux-amd64: Building race detector.
2015/12/17 14:53:20 linux-amd64: Error: go tool dist install runtime: exit status 1

@bradfitz
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Hah, this is due to a old workaround in x/build/cmd/release for old go install -a bugs:

                b.logf("Building race detector.")

                // Because on release branches, go install -a std is a NOP,                                                                                                  
                // we have to resort to delete pkg/$GOOS_$GOARCH, install -race,                                                                                             
                // and then reinstall std so that we're not left with a slower,                                                                                              
                // race-enabled cmd/go, etc.                                                                                                                                 
                if err := client.RemoveAll(path.Join(goDir, "pkg", b.OS+"_"+b.Arch)); err != nil {
                        return err
                }
                if err := runGo("tool", "dist", "install", "runtime"); err != nil {
                    return err
                }
                if err := runGo("install", "-race", "std"); err != nil {
                        return err
                }
                if err := runGo("install", "std"); err != nil {
                        return err
                }

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